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| author | Zhu Guihua <zhugh.fnst@cn.fujitsu.com> | 2015-04-27 16:47:22 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2015-04-27 21:09:07 +0200 |
| commit | bc09e06113e79e5d70cf2b37015a26f2102cc03e (patch) | |
| tree | a4799b52359aa5e54b5ddcfd3881cec0b4ba40e5 | |
| parent | c06b2ffb02bfcc642c67300d2c4dffd5aa54932b (diff) | |
| download | qemu-bc09e06113e79e5d70cf2b37015a26f2102cc03e.zip qemu-bc09e06113e79e5d70cf2b37015a26f2102cc03e.tar.gz qemu-bc09e06113e79e5d70cf2b37015a26f2102cc03e.tar.bz2 | |
qmp-event: add event notification for memory hot unplug error
When memory hot unplug fails, this patch adds support to send
QMP event to notify mgmt about this failure.
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Zhu Guihua <zhugh.fnst@cn.fujitsu.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| -rw-r--r-- | docs/qmp/qmp-events.txt | 17 | ||||
| -rw-r--r-- | hw/acpi/memory_hotplug.c | 10 | ||||
| -rw-r--r-- | qapi/event.json | 14 | ||||
| -rw-r--r-- | trace-events | 1 |
4 files changed, 41 insertions, 1 deletions
diff --git a/docs/qmp/qmp-events.txt b/docs/qmp/qmp-events.txt index d759d19..3be468f 100644 --- a/docs/qmp/qmp-events.txt +++ b/docs/qmp/qmp-events.txt @@ -226,6 +226,23 @@ Example: { "event": "GUEST_PANICKED", "data": { "action": "pause" } } +MEM_HOT_UNPLUG_ERROR +-------------------- +Emitted when memory hot unplug error occurs. + +Data: + +- "device": device name (json-string) +- "msg": Informative message (e.g., reason for the error) (json-string) + +Example: + +{ "event": "MEM_HOT_UNPLUG_ERROR" + "data": { "device": "dimm1", + "msg": "acpi: device unplug for unsupported device" + }, + "timestamp": { "seconds": 1265044230, "microseconds": 450486 } } + NIC_RX_FILTER_CHANGED --------------------- diff --git a/hw/acpi/memory_hotplug.c b/hw/acpi/memory_hotplug.c index 35bbfeb..34cef1e 100644 --- a/hw/acpi/memory_hotplug.c +++ b/hw/acpi/memory_hotplug.c @@ -94,6 +94,7 @@ static void acpi_memory_hotplug_write(void *opaque, hwaddr addr, uint64_t data, ACPIOSTInfo *info; DeviceState *dev = NULL; HotplugHandler *hotplug_ctrl = NULL; + Error *local_err = NULL; if (!mem_st->dev_count) { return; @@ -148,7 +149,14 @@ static void acpi_memory_hotplug_write(void *opaque, hwaddr addr, uint64_t data, dev = DEVICE(mdev->dimm); hotplug_ctrl = qdev_get_hotplug_handler(dev); /* call pc-dimm unplug cb */ - hotplug_handler_unplug(hotplug_ctrl, dev, NULL); + hotplug_handler_unplug(hotplug_ctrl, dev, &local_err); + if (local_err) { + trace_mhp_acpi_pc_dimm_delete_failed(mem_st->selector); + qapi_event_send_mem_unplug_error(dev->id, + error_get_pretty(local_err), + &error_abort); + break; + } trace_mhp_acpi_pc_dimm_deleted(mem_st->selector); } break; diff --git a/qapi/event.json b/qapi/event.json index c51dc49..378dda5 100644 --- a/qapi/event.json +++ b/qapi/event.json @@ -330,3 +330,17 @@ ## { 'event': 'VSERPORT_CHANGE', 'data': { 'id': 'str', 'open': 'bool' } } + +## +# @MEM_UNPLUG_ERROR +# +# Emitted when memory hot unplug error occurs. +# +# @device: device name +# +# @msg: Informative message +# +# Since: 2.4 +## +{ 'event': 'MEM_UNPLUG_ERROR', + 'data': { 'device': 'str', 'msg': 'str' } } diff --git a/trace-events b/trace-events index 46f6ef0..11387c3 100644 --- a/trace-events +++ b/trace-events @@ -1575,6 +1575,7 @@ mhp_acpi_write_ost_status(uint32_t slot, uint32_t st) "slot[0x%"PRIx32"] OST STA mhp_acpi_clear_insert_evt(uint32_t slot) "slot[0x%"PRIx32"] clear insert event" mhp_acpi_clear_remove_evt(uint32_t slot) "slot[0x%"PRIx32"] clear remove event" mhp_acpi_pc_dimm_deleted(uint32_t slot) "slot[0x%"PRIx32"] pc-dimm deleted" +mhp_acpi_pc_dimm_delete_failed(uint32_t slot) "slot[0x%"PRIx32"] pc-dimm delete failed" # hw/i386/pc.c mhp_pc_dimm_assigned_slot(int slot) "0x%d" |